Global Solar Energy Leader

Innovating
Comprehensive Solar
Energy Solutions

SOLETKS specializes in the research and application of solar, geothermal, and air energy, offering integrated solutions for building energy, industry, and agriculture. With 117 world-leading patents and a global presence, we deliver reliable and sustainable thermal energy systems.

117+ Patents

7.0 GWth Capacity

50+ Countries

World-Class Innovation

Leading the industry with 117 patents and cutting-edge solar thermal technology for maximum efficiency.

Global Presence

Serving 50+ countries with reliable solar energy solutions and comprehensive technical support worldwide.

Sustainable Energy

Integrated solutions combining solar, geothermal, and air energy for diverse applications.

About SOLETKS Group

SOLETKS Group — Innovating Global Solar Energy Solutions

Leading technology enterprise specializing in the development and production of flat plate solar collectors

SOLETKS Group is a leading technology enterprise specializing in the development and production of flat plate solar collectors. Headquartered in Sun City — Dezhou, Shandong, China, the Group operates six production bases and seven subsidiaries, including BTE Solar, Jinheng Solar, Fiti Solar, Soletks, Knear Solar, Tibet Soletks, and KangDe Now.

3 GWh Annual Output Capacity

3rd Global Ranking 2017-2019

2nd Global Ranking 2020-2021

6 Production Bases

Seven Subsidiaries

BTE Solar

Jinheng Solar

Fiti Solar

Soletks

Knear Solar

Tibet Soletks

KangDe Now

Flat Plate Hot Water Base

Intelligent Equipment Base

Company Overview

Innovation & Global Excellence

Technological innovation has always been at the heart of SOLETKS Group's competitiveness. The Group consists of four technical departments, one research institute, and one laboratory, with 16% of staff dedicated to R&D—and over half of them having more than 20 years of industry experience.

Group Overview

Currently, the Group holds 58 core patents and continues to lead advancements in solar thermal energy technologies.

Core Patents

16%

R&D Staff Ratio

20+

Years Experience

Wide Range of Applications

Civil Buildings

Military Facilities

Industrial Heating

Agriculture

Aquaculture

Drying Applications

Founded in 2015

BTE Solar — Global Trade Division

BTE Solar serves as the import and export arm of SOLETKS Group and is recognized as a key exporter in Dezhou's solar energy industry. Guided by the principle of "Customer First, Service First", BTE engages in the international trade of advanced solar technologies.

Advanced Solar Technologies

Hot Water Collectors

Flat Air Collectors

Heat Pipe Collectors

Solar Water Heaters

PVT Systems

International Certifications

ISO 9001

CE Certified

Solar Keymark

40+

Countries Served

Production Facilities

State-of-the-art manufacturing and research facilities

Production Facility

Manufacturing Plant

Advanced Equipment

Global Leadership

Proven Success, Trusted Worldwide

Built on innovation, reliability, and sustainability, SOLETKS provides advanced solar thermal energy systems that power cleaner industries and greener communities. With over 15 years of experience, 117 patented technologies, and a presence in 40+ countries, SOLETKS is a trusted leader in flat plate solar collector innovation.

Company Overview

Top Clean Thermal Energy Solutions Provider in China

Superior Quality

High-performance solar thermal systems built with advanced materials and 160+ strict inspection steps for long-term reliability.

Cost Effective

Efficient production and smart system design ensure maximum energy output with minimal lifecycle costs.

Precision Customization

Tailor-made flat-plate systems designed for diverse climates, industries, and installation requirements.

Innovation Driven

Continuous R&D supported by 117 patented technologies, advancing solar absorption and integrated energy solutions.

Reliable Support

24/7 global technical service and professional on-site assistance for smooth, reliable operation.

Global Reach

Delivering sustainable energy solutions to customers across multiple regions with localized service networks.

Certified Excellence

Recognized as a National High-Tech Enterprise with international certifications for quality and sustainability.

Extended Warranty

Comprehensive product warranty and lifetime technical guidance for long-term peace of mind.

Global Excellence

SOLETKS – The First Choice for Global Customers

Trusted by Industry Leaders Worldwide

From residential installations to large-scale industrial projects, SOLETKS delivers proven solar thermal solutions across continents, empowering sustainable energy transformation globally.

Why SOLETKS Stands Out in the Solar Industry

A detailed comparison showing how SOLETKS leads in quality, innovation, and global service.

SOLETKS	VS	Other Brands
24/7 Global Technical Support	Customer Support	Limited to office hours
160+ Strict Quality Tests	Quality Control	Basic product inspection
Fast, Reliable Global Shipping	Product Delivery	Slow regional delivery
Fully Customizable Systems	Product Design	Standard models only
117 Patented Technologies	Technology Level	Conventional components
Advanced Resistance Tests	Durability Testing	Basic thermal check
Free Installation Training	Training & Service	Basic guide only
Long-term Global Support	Spare Parts Supply	Limited availability

Innovating Comprehensive SolarEnergy Solutions

World-Class Innovation

Global Presence

Sustainable Energy

SOLETKS Group — Innovating Global Solar Energy Solutions

Seven Subsidiaries

Flat Plate Hot Water Base

Intelligent Equipment Base

Innovation & Global Excellence

Group Overview

Wide Range of Applications

BTE Solar — Global Trade Division

Advanced Solar Technologies

International Certifications

Production Facilities

Proven Success, Trusted Worldwide

Global Certifications & Quality Assurance

Test Report Certificate

Solar Keymark Certification

ISO 9001 Quality Management

ISO 14001 Environmental Management

ISO 45001 Occupational Health & Safety

Air Solar Collector

Flat Plate Solar Collector

PVT Solar System

Solar Keymark Certification

Solar Water Heater

Vacuum Tube Solar Collector

ISO 9001 Quality Management

ISO 14001 Environmental Management

ISO 45001 Occupational Health & Safety

Solar Keymark Certification

Solar Keymark Certification

Air Solar Collector

Flat Plate Solar Collector

PVT Solar System

Solar Water Heater

Vacuum Tube Solar Collector

What Sets SOLETKS Ahead

Superior Quality

Cost Effective

Precision Customization

Innovation Driven

Reliable Support

Global Reach

Certified Excellence

Extended Warranty

SOLETKS – The First Choice for Global Customers

Why SOLETKS Stands Out in the Solar Industry

Innovating
Comprehensive Solar
Energy Solutions